461978674 has 8 divisors (see below), whose sum is σ = 693163548. Its totient is φ = 230924160.

The previous prime is 461978669. The next prime is 461978677. The reversal of 461978674 is 476879164.

It can be written as a sum of positive squares in 2 ways, for example, as 455182225 + 6796449 = 21335^2 + 2607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (461978677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23187 + ... + 38230.

Almost surely, 2^461978674 is an apocalyptic number.

461978674 is a deficient number, since it is larger than the sum of its proper divisors (231184874).

461978674 is a wasteful number, since it uses less digits than its factorization.

461978674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65180.

The product of its digits is 2032128, while the sum is 52.

The square root of 461978674 is about 21493.6891668229. The cubic root of 461978674 is about 773.0495101858.

The spelling of 461978674 in words is "four hundred sixty-one million, nine hundred seventy-eight thousand, six hundred seventy-four".